72942820

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{3733}}^1$

素因数の和:4719

約数の個数: 24

約数和(自身を含む): 153377784

約数和(自身を除く): 80434964

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3733, 3908, 4885, 7466, 9770, 14932, 18665, 19540, 37330, 74660, 3647141, 7294282, 14588564, 18235705, 36471410, 72942820]

約数ペア:

[(1, 72942820), (2, 36471410), (4, 18235705), (5, 14588564), (10, 7294282), (20, 3647141), (977, 74660), (1954, 37330), (3733, 19540), (3908, 18665), (4885, 14932), (7466, 9770)]